Planning for the weather is an important factor for making your trip to Katouna a success, especially when you’re splurging. The hottest months are usually August and July, with an average temperature of 25°C, while the coldest months are January and February, with an average of 12°C. The rainiest months in Katouna are November, December, January and October, with each month seeing an average of 209 mm of rainfall.